I tried adding gaussian noise to rgn image, m=0 s=3. Tried this: m=(0,0,0) S=(3,3,3) cv2.randn(img, m, s)
The result is a black image with white dots... What may be the problem ?
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show us your full code with some outputs! – Balaji R Nov 23 '16 at 08:39
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you may find this question relevent! http://stackoverflow.com/questions/32005094/how-to-add-noise-to-color-image-opencv – Balaji R Nov 23 '16 at 08:40